Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBVqihMUGVSFMPQqZBoGUjRmp+tePVfk6bvtWxWeA8rOV3A1ctCWU2v7FhI… (1,748 chars)"
  }
}